Dangerously cold weather spread over the Midwest on Saturday and is headed toward the East Coast, where temperatures well below seasonal norms are expected starting late Sunday and into next week.

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Temperatures will plummet as Arctic outbreak brings frigid weather to much of the U.S. Much of the United States will see temperatures plummet 20 to 40 degrees below average when a major Arctic outbreak bringing frigid temperatures sweeps through the country.

Millions are bracing for subzero wind chills this weekend as the coldest air of the season hits most of the country. The Arctic blast will bring snow squalls to several states, and seven other states are expecting heavy snow ahead of the plunging temperatures.

Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.

After days of balmy weather, City is slated to get buried in snow and then hit with an arctic blast expected to unleash a potentially life-threatening chill.

An Arctic blast is expected to bring West Michigan's coldest temperatures since 2019, along with heavy lake-effect snow in some areas.

Farther north, in the mountains of northern New England, snow will fall at higher elevations, with summit accumulations of 2–4 inches likely. The rain will taper off by late evening, but don’t let your guard down. Overnight, temperatures will fall to near freezing in Boston and drop below freezing north of the city.

The Arctic is heating up particularly fast as a result of global warming—with serious consequences. The widespread permafrost in this region, where soils currently store twice as much carbon as the atmosphere,

Permafrost thaw poses multiple risks to local Arctic communities, their livelihoods, infrastructure and environment. A transdisciplinary study led by Umeå University and others has identified key risks across four Arctic regions.

With the Arctic freeze on its way to Colorado and expected to last for several days, it's important to keep your pets well-protected during this deep freeze.